|Publication number||US7298951 B2|
|Application number||US 11/356,319|
|Publication date||Nov 20, 2007|
|Filing date||Feb 16, 2006|
|Priority date||Feb 16, 2006|
|Also published as||US20070189693|
|Publication number||11356319, 356319, US 7298951 B2, US 7298951B2, US-B2-7298951, US7298951 B2, US7298951B2|
|Inventors||Mark Smrha, Chad Sjodin|
|Original Assignee||Adc Telecommunications, Inc.|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (45), Non-Patent Citations (4), Referenced by (5), Classifications (5), Legal Events (4)|
|External Links: USPTO, USPTO Assignment, Espacenet|
The present invention relates generally to devices and methods for enhancing cable management of telecommunications systems. More particularly, the present invention relates to a cable management device that mounts to a panel for managing slack cable of telecommunications systems.
Telecommunications systems utilize cables, such as fiber optic cables or copper twisted pair cables, to interconnect pieces of telecommunications equipment or components. The systems commonly include telecommunication racks that hold a variety of different pieces of telecommunications equipment. Often thousands of cables are used to interconnect the various pieces of telecommunications equipment mounted on the racks.
Because of the large number of cables associated with telecommunications equipment, cable management is crucial. Cable management involves efficiently routing cables to minimize the occupied space, and routing cables in an orderly manner so as to reduce the likelihood of cable tangling. Ease of cable organization is also a factor related to effective cable management.
Cable management is important in preventing damage to the cables. Unnecessary or excessive bending of fiber optic cables, for example, is undesirable. Bending of fibers can cause attenuation and loss of signal strength. As the fiber bends, the fiber can also break, resulting in complete loss of signal transmission through the fiber.
In general, conventional arrangements for managing cable can be improved.
The present disclosure relates to a fiber optic cable management device having a segmented cable-managing arrangement. The segmented cable-managing arrangement includes a plurality of radius limiting surfaces. The device further includes a back plate having securing structure for securing the device to a telecommunications panel. One or more of the fiber optic cable management devices can be used in an assembly to provide an arrangement that defines multiple, incremental storage lengths for storing the center slack portions of fiber optic cables.
A variety of aspects of the invention are set forth in part in the description that follows, and in part will be apparent from the description, or may be learned by practicing various aspects of the disclosure. The aspects of the disclosure may relate to individual features as well as combinations of features. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only, and are not restrictive of the claimed invention.
Reference will now be made in detail to exemplary aspects of the present disclosure that are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
The cable management assembly 100 includes a cable management panel 90. The cable management panel 90 can also be referred to as a back plane or riser. The panel 90 includes an interface portion 92 and first and second mounting structures 94 configured to mount or attach the cable management assembly 100 to adjacent telecommunication racks. In one embodiment, as shown in
The interface portion 92 of the panel 90 defines a plurality of mounting locations, more specifically, a plurality of discrete openings 96. In the illustrate cable management assembly 100, the plurality of discrete openings 96 includes a first type of shaped apertures, i.e., attaching apertures 102, and a second type of shaped apertures, i.e., locating apertures 104. Further details of an example panel that can be used in accordance with the principles disclosed is described in U.S. patent application Ser. No. 11/101,143, the disclosure of which is herein incorporated by reference.
Fiber optic cable management devices (e.g. 10, 110, 210, 310) detachably secure to the panel 90 at the discrete openings 96. In the illustrated assembly of
The discrete openings 96 of the panel 90 and the cable management devices are configured so that a technician can organize and arrange fiber optic cables at selected horizontal and vertical mounting locations along the panel 90. What is meant by “selected” is that the technician can choose a mounting location from the plurality of mounting locations, the devices being adapted to mount at all of the mounting locations.
The cable management devices (e.g. 10, 110, 210, 310) and the panel 90 of the present cable management assembly 100 are configured to permit a technician to position any of the different cable management devices at any location on the panel 90 of the cable management assembly 100. The cable management assembly 100 thereby permits a technician to configure the system to a particular need, reducing costs associated with fixed or custom-made cable management systems.
Referring now to
The segmented cable-managing arrangement 12 includes a plurality of radius limiting surfaces 20. The radius limiting surfaces 20 are provided in a descending segmented manner. That is, the radius limiting surfaces 20 define radius limiting segments of the cable-managing arrangement 12 that are vertically offset from one another. More preferably, the segments or radius limiting surfaces 20 are vertically and forwardly offset from one another in a descending relationship. As shown in
In the illustrated embodiment of
Still referring to
Referring now to
Still referring to
Referring now to
The first and second attaching elements 62, 64 of the securing structure 16 correspond to the attaching apertures 102 (
Referring back to
Referring still to
Depending upon the particular length of the cable, and the distance between the two pieces of equipment, the length of the slack center portion 108 of a cable 106 can greatly vary. The present cable management devices are designed to reduce the occasion of having loose or hanging cable slack due to the varying length of the slack center portion 108. Loose or hanging cable slack can be accidentally pulled or tugged, which may cause the cable to exceed a minimum bend radius and further result in subsequent loss of signal transmission through the cable. The present cable management devices reduce the occasion of loose cable slack by accommodating the storage of many different cable lengths. In the alternative, the present cable management devices reduce overall installation costs by eliminating the need to provide specific, different cable lengths in an attempt to match the distance between two pieces of equipment and avoid the occasion of loose cable slack.
In particular, the present cable management devices incrementally take up or accommodate the center slack portions of cables. In conventional arrangements, upper and lower spools are provided a set distance apart from one another. The center slack portion is wound about the upper and lower spools; however, in most cases, the distance between the spools does not correspond to the overall length of the center slack portion. The excess center slack portion is then often left to drape or hang from the spool in an un-stored or un-taut manner. As previously described, such loose slack can become damaged. In contrast to conventional arrangements having only a single storage length defined between upper and lower spools, the present cable management devices provide multiple storage lengths.
More specifically, referring to
For example, wrapping a first slack cable length of the center slack portion 108 completely around the spool 80 and an uppermost radius limiting surface 20 a (
In the illustrated embodiment of
As shown in
In addition, the plurality of radius limiting surfaces of the present cable-managing device 10 are provided in a footprint that is smaller than conventional arrangements utilizing instead a number of separate spools. In such conventional arrangements, the spools are vertically aligned along a plane. As can be understood, the spools must be sufficiently spaced apart from one another to provide a clearance space between spools so that the tabs, for example, do not interfere with the other spools. The disclosed cable management device has multiple radius limiting surfaces that project forwardly from one another so that clearance for the cable retaining structure 22, for example, is provide forward of the preceding radius limiting surface; similarly, in the case of nesting devices, clearance for the cable retaining structure is provide under the “stairwell” space of the descending arrangement of surfaces. Accordingly, the footprint in which multiple radius limiting surfaces are provided is smaller in the present device 10 as compared to conventional arrangements.
In another method of use, the segmented cable-managing arrangement of the device(s) 10 offer the technician an opportunity to separate slack cable from other slack cable in a neat and organized manner. That is, another method of using the disclosed cable management device 10 includes separating and storing cable slack about designated radius limiting surfaces or elements and the spool 80, for example. Although in each of the previous methods of use, the devices are described in combination with the use of spools 80, other types of cable management components, such as finger devices, constructions having edge protections, and channel guides that contain cabling, for example, can also be used in accordance with the principles disclosed.
Referring now to
The radius limiting elements 30 and the back plate 14 of the cable management device 110 are the same as described with respect to the first embodiment. For example, the radius limiting elements 30 include cable retaining structures 22, such as tabs 24, that extend upward from the radius limiting surfaces 20. The device 110 of
Referring now to
The segmented cable-managing arrangement 212 includes a plurality of radius limiting surfaces 220, and a plurality of cable retaining structures 222 that retain cable on the radius limiting surfaces 220. The cable retaining structures 222 include tabs 224 that extend upward from the radius limiting surfaces 220. The tabs 224 are located along an outer edge 226 of the radius limiting surfaces 220.
In the embodiment shown in
In contrast to the devices of
Each of the radius limiting elements 230 includes a back wall 238 having mounting structure 236. The uppermost radius limiting element 230 is mounted directly to the back plate 14 via the mounting structure 236 of the back wall 238. To add additional stepped radius limiting elements 230, a front mounting plate 274 is mounted at the outer edge 226 of the uppermost radius limiting element. That is, the front mounting plate 274 is secured to front mounting structure 276 formed on the inside of the arcuate structure 232. The middle radius limiting element 230 can then be mounted and secured to the front mounting plate 274 of the preceding (uppermost) radius limiting element 230. As can be understood, this assembly method can continue to provide any number of stepped radius limiting surfaces 220.
Referring now to
The segmented cable-managing arrangement 312 includes a plurality of radius limiting surfaces 320, and a plurality of cable retaining structures 322, such as tabs 324, to retain cable on the radius limiting surfaces 320. In the embodiment shown in
The arcuate structure 332 of the cable management device 310 is configured as half-spool extending approximately 180 degrees. It is contemplated that the arcuate structure 332 can extend more or less than 180 degrees depending upon the telecommunication application in which the element will be used. The arcuate structure 332 includes a flange or back wall (not shown) having mounting structure for securing the radius limiting element arcuate structure 332 directly to the back plate 16.
As shown in
The present cable management devices (e.g., 10, 110, 210, 310) provide flexibility in permitting a technician to manage and store cables of different lengths without the occasion of loose cable slack. The above specification provides a complete description of the cable management assembly, system, and method. Since many embodiments of the invention can be made without departing from the spirit and scope of the invention, the invention resides in the claims hereinafter appended.
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|Cooperative Classification||G02B6/4452, G02B6/4459|
|May 15, 2006||AS||Assignment|
Owner name: ADC TELECOMMUNICATIONS, INC., MINNESOTA
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SMRHA, MARK;SJODIN, CHAD;REEL/FRAME:017888/0284
Effective date: 20060314
|May 20, 2011||FPAY||Fee payment|
Year of fee payment: 4
|May 20, 2015||FPAY||Fee payment|
Year of fee payment: 8
|Jul 6, 2015||AS||Assignment|
Owner name: TYCO ELECTRONICS SERVICES GMBH, SWITZERLAND
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ADC TELECOMMUNICATIONS, INC.;REEL/FRAME:036060/0174
Effective date: 20110930